题干
The International Day against Drugs, aimed at warning people to keep away from drugs, ______ on June 26th every year.
A：taking place
B：takes place
C：took place
D：taken place
答案(点此获取答案解析）
B
、
、
、
的四张卡片中抽出两张卡片，使其能合并同类项，则抽出的卡片分别标有 、 ．